Building a Water Clock
Students research water clocks online, investigate how water clocks work, and construct water clock that will keep time accurately for at least two hours without human intervention.
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The West the Railroads made
Students investigate the effects of time and distance for the creation of a successful railroad. In this railroad lesson, students recognize the railroad's need for an exact time schedule was the cause for the creation of time zones. ...
3rd - 6th Social Studies & History